639555842

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{1973}}^1\times {\mathrm{2657}}^1$

素因数の和:4693

約数の個数: 16

約数和(自身を含む): 975921912

約数和(自身を除く): 336366070

約数列:

[1, 2, 61, 122, 1973, 2657, 3946, 5314, 120353, 162077, 240706, 324154, 5242261, 10484522, 319777921, 639555842]

約数ペア:

[(1, 639555842), (2, 319777921), (61, 10484522), (122, 5242261), (1973, 324154), (2657, 240706), (3946, 162077), (5314, 120353)]